/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef INCLUDE_NETLINK_LISTENER_H__
#define INCLUDE_NETLINK_LISTENER_H__

#include <functional>
#include "netlink_socket.h"
#include "netlink_event.h"

namespace OHOS {
namespace nmd {
class netlink_listener : public netlink_socket {
public:
    netlink_listener(int protocol, int pid);
    ~netlink_listener();

    void setOnEventHandler(const std::function<void(std::shared_ptr<netlink_event>)> &handler);
    int listen();

    void stopListen();
    bool getNetlinkListenerState();

private:
    bool running_ = false;
    std::function<void(std::shared_ptr<netlink_event>)> onEventHandler_;

    void onDataAvaliable(int fd, char *buf, ssize_t size);
};
} // namespace nmd
} // namespace OHOS
#endif  // !INCLUDE_NETLINK_LISTENER_H__